Home / 200,071.44-276,168.12-115,222.32

Finding the Fourth Proportional to 200,071.44, 276,168.12 and 115,222.32

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Solution

The fourth proportional to 200,071.44, 276,168.12 and 115,222.32 is: 159,046.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,071.44 : 276,168.12 = 115,222.32 : x
  2. Step 2: Convert to fraction form
    200,071.44/276,168.12 = 115,222.32/x
  3. Step 3: Cross multiply
    200,071.44x = 276,168.12 × 115,222.32
  4. Step 4: Simplify right side
    200,071.44x = 31,820,731,496.44
  5. Step 5: Solve for x
    x = 31,820,731,496.44/200,071.44
  6. Step 6: Final answer
    x = 159,046.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.